Struct DefaultPredicateEnv 

pub struct DefaultPredicateEnv { /* private fields */ }

Production PredicateEnv backed by the real OS.

Implementations

impl DefaultPredicateEnv

pub fn new() -> Self

Create with a freshly-detected platform and real process env.

pub fn with_resolver(resolver: Resolver) -> Self

Create with a specific Resolver (useful for tests that want a controlled env snapshot without full mocking).

Trait Implementations

impl Default for DefaultPredicateEnv

fn default() -> Self

Returns the “default value” for a type.

impl PredicateEnv for DefaultPredicateEnv

fn platform(&self) -> Platform

The platform to match platform:linux / platform:macos / platform:windows against.

fn env(&self, var: &str) -> Option<String>

Look up an environment variable. Returns None when the variable is not set (as opposed to set-but-empty, which returns Some("")).

fn command_exists(&self, name: &str) -> bool

Returns true when name is found on PATH.

fn file_exists(&self, path: &Path) -> bool

Returns true when path exists on the filesystem.

fn resolver(&self) -> &Resolver

The Resolver used to expand ${VAR} tokens in file_exists: paths.